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Home >> Buick >> 1996 >> Roadmaster Base >> Repair and Diagnosis >> Body & Frame >> Seats >> Power Seat System >> System Testing >> Memory Seats (ROADMASTER) >> Front Height Will Not Go Up &/Or Down

Front Height Will Not Go Up &/Or Down

  1. Disconnect driver's seat adjuster memory module 6-pin connector C318 (Black). Disconnect 23-pin connector C317 (Black) from power seat motor pigtail. Connect connectors C318 and C317 together. If power seats do not operate properly, go to next step. If power seats operate properly, replace driver's seat adjuster memory module.
  2. Using test light, backprobe between power seat switch connector terminals "L" (Orange wire) and "F" (Dark Blue wire). If test light glows, go to next step. If test light does not glow, check for poor connection at Dark Blue wire. If connection is okay, replace power seat switch.
  3. Backprobe between power seat switch connector terminals "L" (Orange wire) and "G" (Dark Green wire). If test light glows, go to next step. If test light does not glow, check for poor connection at Dark Green wire. If connection is okay, replace power seat switch.
  4. Backprobe between power seat switch connector terminals "A" (Black wire) and "G" (Dark Green wire). Move power seat front height switch lever to up position. If test light glows, go to next step. If test light does not glow, check for poor connection or short to ground in Dark Green wire. If circuit is okay, replace power seat switch.
  5. Backprobe between power seat switch connector terminals "A" (Black wire) and "F" (Dark Blue wire). Move power seat front height switch lever to down position. If test light glows, go to next step. If test light does not glow, check for poor connection or short to ground in Dark Blue wire. If circuit is okay, replace power seat switch.
  6. Check for poor connection, open, or short to ground in Dark Green wire and/or Dark Blue wire between power seat switch and front height motor. If circuits are okay, replace front height motor.